git-flow is missing autocompletion

git-flow is missing autocompletion

for the git flow verion provided should be pulled from here:
https://github.com/petervanderdoes/git-flow-completion

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: git-flow 1.9.1-1
Uname: Linux 4.5.0-040500rc6-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Fri Mar 4 10:45:16 2016
InstallationDate: Installed on 2015-12-10 (84 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151209)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=de_DE
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: git-flow
UpgradeStatus: No upgrade log present (probably fresh install)